<http://schema.org/description>
"The third developer preview release of Mac OS X Lion reverts an experimental change in how tabbed panes are drawn and animated, dropping a iOS-like slider animation to present the active tab as simply a depressed button."^^<http://www.w3.org/2001/XMLSchema#string>
<http://appleinsider.com/articles/11/04/29/inside_mac_os_x_10_7_lion_developer_preview_3_dials_down_animated_tabs>